[clang] Check lsx/lasx features when running builtin tests (PR #79250)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: None (leecheechen)

<details>
<summary>Changes</summary>

This patch refers to the following test:
clang/test/CodeGen/LoongArch/intrinsic-la32-error.c

---
Full diff: https://github.com/llvm/llvm-project/pull/79250.diff


2 Files Affected:

- (modified) clang/test/CodeGen/LoongArch/lasx/builtin-error.c (+9) 
- (modified) clang/test/CodeGen/LoongArch/lsx/builtin-error.c (+9) 


``````````diff
diff --git a/clang/test/CodeGen/LoongArch/lasx/builtin-error.c b/clang/test/CodeGen/LoongArch/lasx/builtin-error.c
index 724484465769e0e..dabf34368ea3e13 100644
--- a/clang/test/CodeGen/LoongArch/lasx/builtin-error.c
+++ b/clang/test/CodeGen/LoongArch/lasx/builtin-error.c
@@ -1,4 +1,6 @@
 // RUN: %clang_cc1 -triple loongarch64 -target-feature +lasx -verify %s
+// RUN: not %clang_cc1 -triple loongarch64 -DFEATURE_CHECK -emit-llvm %s -o /dev/null 2>&1 \
+// RUN:   | FileCheck %s
 
 typedef signed char v32i8 __attribute__((vector_size(32), aligned(32)));
 typedef signed char v32i8_b __attribute__((vector_size(32), aligned(1)));
@@ -21,6 +23,13 @@ typedef float v8f32_w __attribute__((vector_size(32), aligned(4)));
 typedef double v4f64 __attribute__((vector_size(32), aligned(32)));
 typedef double v4f64_d __attribute__((vector_size(32), aligned(8)));
 
+#ifdef FEATURE_CHECK
+void test_feature(v32i8 _1) {
+// CHECK: error: '__builtin_lasx_xvslli_b' needs target feature lasx
+  (void)__builtin_lasx_xvslli_b(_1, 1);
+}
+#endif
+
 v32i8 xvslli_b(v32i8 _1, int var) {
   v32i8 res = __builtin_lasx_xvslli_b(_1, -1); // expected-error {{argument value 4294967295 is outside the valid range [0, 7]}}
   res |= __builtin_lasx_xvslli_b(_1, 8); // expected-error {{argument value 8 is outside the valid range [0, 7]}}
diff --git a/clang/test/CodeGen/LoongArch/lsx/builtin-error.c b/clang/test/CodeGen/LoongArch/lsx/builtin-error.c
index 3fc5f73f11934e6..722ba7fe8cd20e4 100644
--- a/clang/test/CodeGen/LoongArch/lsx/builtin-error.c
+++ b/clang/test/CodeGen/LoongArch/lsx/builtin-error.c
@@ -1,4 +1,6 @@
 // RUN: %clang_cc1 -triple loongarch64 -target-feature +lsx -verify %s
+// RUN: not %clang_cc1 -triple loongarch64 -DFEATURE_CHECK -emit-llvm %s -o /dev/null 2>&1 \
+// RUN:   | FileCheck %s
 
 typedef signed char v16i8 __attribute__((vector_size(16), aligned(16)));
 typedef signed char v16i8_b __attribute__((vector_size(16), aligned(1)));
@@ -25,6 +27,13 @@ typedef long long __m128i __attribute__((__vector_size__(16), __may_alias__));
 typedef float __m128 __attribute__((__vector_size__(16), __may_alias__));
 typedef double __m128d __attribute__((__vector_size__(16), __may_alias__));
 
+#ifdef FEATURE_CHECK
+void test_feature(v16i8 _1) {
+// CHECK: error: '__builtin_lsx_vslli_b' needs target feature lsx
+  (void)__builtin_lsx_vslli_b(_1, 1);
+}
+#endif
+
 v16i8 vslli_b(v16i8 _1, int var) {
   v16i8 res = __builtin_lsx_vslli_b(_1, -1); // expected-error {{argument value 4294967295 is outside the valid range [0, 7]}}
   res |= __builtin_lsx_vslli_b(_1, 8); // expected-error {{argument value 8 is outside the valid range [0, 7]}}

``````````

</details>


https://github.com/llvm/llvm-project/pull/79250